Defining Models in Python
As we discussed earlier in Chapter 1, Introduction to Django and Getting Started, the M in MTV stands for Model. A Django model is a description of the data in your database, represented as Python code. It's your data layout-the equivalent of your SQL CREATE TABLE statements-except it's in Python instead of SQL, and it includes more than just database column definitions.
Django uses a model to execute SQL code behind the scenes and return convenient Python data structures representing the rows in your database tables. Django also uses models to represent higher-level concepts that SQL can't necessarily handle.
If you're familiar with databases, your immediate thought might be, "Isn't it redundant to define data models in ...
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